070cd4d5a5
Add generated .pi-map.md and .pi-map.index.md files across the repository so the project navigation maps are shared and versioned. These artifacts are maintained by project_map_init/patch/validate and must be kept in sync with source edits. Note: .cache/ remains ignored (added in previous commit).
database-models
Implement SQLAlchemy models and Alembic migrations for all core entities